26464052656605 has 32 divisors (see below), whose sum is σ = 43805717222400. Its totient is φ = 13628445143040.

The previous prime is 26464052656603. The next prime is 26464052656609. The reversal of 26464052656605 is 50665625046462.

It is not a de Polignac number, because 26464052656605 - 2¹ = 26464052656603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26464052656603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63167542 + ... + 63585111.

It is an arithmetic number, because the mean of its divisors is an integer number (1368928663200).

Almost surely, 2^{26464052656605} is an apocalyptic number.

It is an amenable number.

26464052656605 is a deficient number, since it is larger than the sum of its proper divisors (17341664565795).

26464052656605 is a wasteful number, since it uses less digits than its factorization.

26464052656605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126753141.

The product of its (nonzero) digits is 62208000, while the sum is 57.

The spelling of 26464052656605 in words is "twenty-six trillion, four hundred sixty-four billion, fifty-two million, six hundred fifty-six thousand, six hundred five".